/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : usb_device.h
  * @version        : v2.0_Cube
  * @brief          : Header for usb_device.c file.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __USB_DEVICE__H__
#define __USB_DEVICE__H__

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx.h"
#include "stm32f1xx_hal.h"
#include "usbd_def.h"

/* USER CODE BEGIN INCLUDE */

/* USER CODE END INCLUDE */

/** @addtogroup USBD_OTG_DRIVER
  * @{
  */

/** @defgroup USBD_DEVICE USBD_DEVICE
  * @brief Device file for Usb otg low level driver.
  * @{
  */

/** @defgroup USBD_DEVICE_Exported_Variables USBD_DEVICE_Exported_Variables
  * @brief Public variables.
  * @{
  */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/*
 * -- Insert your variables declaration here --
 */
/* USER CODE BEGIN VARIABLES */

/* USER CODE END VARIABLES */
/**
  * @}
  */

/** @defgroup USBD_DEVICE_Exported_FunctionsPrototype USBD_DEVICE_Exported_FunctionsPrototype
  * @brief Declaration of public functions for Usb device.
  * @{
  */

/** USB Device initialization function. */
void MX_USB_DEVICE_Init(void);

/*
 * -- Insert functions declaration here --
 */
/* USER CODE BEGIN FD */

/**
 * @brief       USB接口配置
 *   @note      使能/关闭USB接口, 以便每次启动都可以正常
 *              连接USB
 * @param       state   : 接口状态
 *   @arg       0, 断开USB连接
 *   @arg       1, 使能USB连接
 * @retval      无
 */
void usbd_port_config(uint8_t state);

/**
 * @brief       获取USB状态
 * @param       state   : 0, 获取设备状态; 1, 获取USB状态
 * @note        state=0, 返回值: 0, 未连接; 1, 已连接
 *              state=1, 返回值:  * bit0 : 表示电脑正在向SD卡写入数据
 *                                  bit1 : 表示电脑正从SD卡读出数据
 *                                  bit2 : SD卡写数据错误标志位
 *                                  bit3 : SD卡读数据错误标志位
 *                                  bit4 : 1,表示电脑有轮询操作(表明连接还保持着)
 * @retval      无
 */
uint8_t usb_get_state(uint8_t state);

/**
 * @brief       设置USB状态
 * @param       state   : 0, 设置设备状态; 1, 设置USB状态
 * @param       value   : 状态值
 * @retval      无
 */
void usb_set_state(uint8_t state, uint8_t value);

void MX_USB_DEVICE_DeInit(void);

/* USER CODE END FD */
/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __USB_DEVICE__H__ */
